Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 31
Fig. 17. W4164. Fig. 18. W41&5. W4164. Horizontal Detector Galvanometer. .W4165. Vertical Detector Galvanometer .14 00.10 00 27 PORTABLE TEST DARSONVALS. This instrument is built along the lines of the galvanometer used inour AONE Testing Sets. It has a scale about 2 in length, divided into50…
Electric apparatus and appliances · Equipment and supplies
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